| exp | Aurora Expert Trace Data |
| exp | CATIA Exported Data |
| exp | ENVI Band Math Expression Data |
| exp | ICQ Saved Chat |
| exp | Intuit QuickBooks Exported Data |
| exp | RMCProfile GSAS EXP Data |
| export | CATIA Export Data |
| exportedfavorites | Transmit Exported Favorites |
| expr2 | Autodesk Softimage Expression Text Data |
| expressionmap | Cubase Expression Map Data |
| exprwdconfig | Microsoft Expression Web XML Configuration |
| exprwdcss | Microsoft Expression Web CSS Data |
| exprwdjs | Microsoft Expression Web Javascript |
| exprwdlist | Microsoft Expression Web Package List |
| exprwdnav | Microsoft Expression Web Navigation Data |
| exprwdpiclib | Microsoft Expression Web Picture Library |
| exprwdskin | Microsoft Expression Web Skin Data |
| exprwdstm | Microsoft Expression Web STM Data |
| exprwdtheme | Microsoft Expression Web Package Theme |
| exprwdtxt | Microsoft Expression Web Text Data |
| exprwdxml | Microsoft Expression Web XML Data |
| exprwdxsl | Microsoft Expression Web XSLT Data |
| ext | Norton Commander Extension |
| ext | Novadigm EDM Data |
| ext | WS-FTP ASCII Binary Transfer Data |
| ext | WS_FTP Pro Transfer Data |
| extbase | Associate This Extension Base |
| extra | BreakPad Crash Log Extra Data |
| extra | Mozilla Firefox Crash Report |
| extrep | Sage External Representation |
| extz | Extron PCS Configuration Backup |
| exx | IBM Linkway MsgPut Data |
| exy | ISIS GIS Diagnostic Data |
| ex_ | Compressed EXE File |
| eyd | ASL EYE-TRAC PC Data |
